module.exports=function(){
    console.log('uninstall script is running!');

    // koahub.mongoose.connection.collection('City').drop( function(err) {
    //     console.log(`collection City has been dropped`);
    // });
    //
    // koahub.mongoose.connection.collection('Mapmark').drop( function(err) {
    //     console.log(`collection Mapmark has been dropped`);
    // });
};